– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 3 pm Wed 04 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 04 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 52mm), heaviest during Fri night. Very mild (max 13°C on Sat morning, min 5°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 23mm), heaviest during Sat night. Very mild (max 13°C on Sat afternoon, min 3°C on Sun night). Winds decreasing (fresh winds from the S on Sat night, calm by Sun afternoon). | ||||||||||||||||
Wed 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  | |  | | | |  |  | |  | |
light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | mod. rain | heavy rain | light rain | cloudy | heavy rain | rain shwrs | rain shwrs | clear | some clouds | some clouds | some clouds | |
Cloud base (m) | 2650 | 600 | 750 | 700 | 2400 | 700 | 650 | 600 | 650 | 6600 | 750 | 650 | 9200 | 6450 | 3050 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | 19 | 1.1 | 0.1 | 2 | 3 | 9 | 18 | 0.5 | — | 18 | 4 | 0.1 | — | — | — | — |
max °C | 11 | 7 | 9 | 8 | 7 | 7 | 9 | 10 | 13 | 13 | 13 | 6 | 6 | 4 | 9 | 8 | 7 |
min °C | 9 | 7 | 7 | 6 | 5 | 6 | 8 | 8 | 11 | 13 | 6 | 6 | 4 | 3 | 7 | 6 | 6 |
chill °C | 7 | 5 | 6 | 5 | 2 | 4 | 6 | 7 | 10 | 12 | 2 | 3 | 4 | 2 | 6 | 5 | 5 |
Freezing level m | 2300 | 1700 | 1550 | 1650 | 2100 | 2000 | 2600 | 2250 | 2700 | 2800 | 1750 | 1250 | 1300 | 1400 | 2050 | 2000 | 2300 |
 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — |
 | 4:42 | — | — | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 52mm), heaviest during Fri night. Very mild (max 13°C on Sat morning, min 5°C on Thu night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 23mm), heaviest during Sat night. Very mild (max 13°C on Sat afternoon, min 3°C on Sun night). Winds decreasing (fresh winds from the S on Sat night, calm by Sun afternoon).
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.